the following rational function gives the number of days it would take two construction crews, working together, to frame a house that crew 1 (working alone)could complete in t days and crew 2 (working alone) could complete in t+3 days. f(t)=(t^2+3t)/(2t+3). (a) if crew 1 could frame a certain house in 24 days, how long would it take both crews working together? (b) if crew 2 could frame a certain house in 32 days, how long would it take both crews working together?

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